Finding y-intercept

Front

What is the y-intercept?

Back

The y-intercept is the point where a line crosses the y-axis on a graph. It is the value of y when x is 0.

Front

How do you find the y-intercept from a linear equation?

Back

To find the y-intercept from a linear equation in the form y = mx + b, the y-intercept is the value of b.

Front

What does the y-intercept represent in a real-world context?

Back

In a real-world context, the y-intercept can represent the starting value of a situation when the independent variable (x) is zero.

Front

If a line has a y-intercept of 3, what does this mean?

Back

It means that when x = 0, the value of y is 3.

Front

Find the y-intercept of the equation y = 2x + 4.

Back

The y-intercept is 4.

Front

Find the y-intercept of the equation y = -3x - 2.

Back

The y-intercept is -2.

Front

What is the y-intercept of the line represented by the table: (0, 6), (1, 5), (2, 4)?

Back

The y-intercept is 6.

Front

If the y-intercept is -4, what does this indicate about the line?

Back

It indicates that the line crosses the y-axis at -4, meaning when x = 0, y = -4.

Front

How can you determine the y-intercept from a graph?

Back

You can determine the y-intercept by locating the point where the line intersects the y-axis.

Front

What is the significance of a positive y-intercept?

Back

A positive y-intercept indicates that the line starts above the origin on the y-axis.